7 senior software engineer level 3 jobs found

Description SAIC is looking for a Senior Network Engineer to provide Tier 3 advanced engineering support for a mission-critical naval enterprise transport network, ensuring continuous availability, resilience, and scalability. This role serves as the highest level of operational escalation, responsible for diagnosing and resolving the most complex network issues, guiding Tier 2 personnel, improving network reliability, and contributing to long-term architectural direction. The engineer supports end-to-end network visibility, advanced troubleshooting, optimization, change control, and integration of new capabilities across a globally distributed environment. This position is onsite in Suffolk, VA. Primary Responsibilities: Serve as the Tier 3 engineering escalation point, handling complex outages and deep root-cause investigations Perform advanced analysis of network performance, routing behavior, and security events using packet-level tools Lead cross-functional...

Description SAIC is looking for a Systems Engineer to serve as a Senior Systems Administrator with experience in US Navy IT networks to support the sustained operation and maintenance of a newly deployed US Navy enterprise transport network, ensuring 24/7/365 availability and reliability. The position will support end-to-end network, system, and element visibility; facilitate rapid operations, administration, maintenance, and provisioning to maintaining the operational integrity of a mission-critical network, requiring both technical expertise and a commitment to excellence in service delivery. This is shift work covering 24/7 operations. Work will be performed at the Navy customer's site in Suffolk, VA. Specific Duties Include: Provide Tier 2 level engineering operations support to quickly identify, triage, and address outages, analyzing symptoms and potential root causes to implement effective resolutions or escalate to Tier 3 support as required Utilize advanced...

Description SAIC is seeking GEOINT Ground Software Systems Engineer to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program, supporting the NRO's Ground Enterprise Directorate (GED), responsible for the acquisition of systems over the complete end-to-end life cycle. As the GEOINT Ground Software Systems Engineer, you will guide the development, integration, and delivery of modern GEOINT mission capabilities. You will partner closely with development contractors, mission partners, and senior Government stakeholders to shape architectural direction, ensure engineering rigor, and drive the evolution of scalable, resilient ground-system software. This position supports a broad portfolio of high-visibility initiatives, including evaluation of emerging technologies, definition and baselining of new GEOINT capabilities, transition planning from legacy systems to cloud-native implementations, and full-spectrum systems engineering...

Description SAIC is seeking GEOINT Systems Engineer to support SAIC's Prime Program, Aretuza in Chantilly, VA. Aretuza is a SETA program, supporting the NRO's Ground Enterprise Directorate (GED). As the GEOINT Systems Engineer you will interact daily with senior government and Program staff to analyze new concepts and technologies; support the definition and baselining of new capabilities and/or enhancements; advise on all aspects of System Engineering analysis (architecture, requirements, Concept of Operations (CONOPs), interfaces, schedule, and dependency identification); test support, and provide Readiness Event support. Responsibilities to include Collaborate daily with development contractors, government program personnel, and customers on systems engineering and acquisition functions for GEOINT collection, mission management, and mission processing. Provide oversight and monitor software development and integration activities, ensuring alignment with...

Description SAIC is looking for a Senior Systems Engineer to serve as a Senior Systems Administrator with experience in US Navy IT networks to support the sustained operation and maintenance of a newly deployed US Navy enterprise transport network, ensuring 24/7/365 availability and reliability. The position will support end-to-end network, system, and element visibility; facilitate rapid operations, administration, maintenance, and provisioning to maintaining the operational integrity of a mission-critical network, requiring both technical expertise and a commitment to excellence in service delivery. This position will work a schedule of 7AM - 3PM, 5 days per week to include weekends and a rotating on call requirement. Work will be performed at the Navy customer's site in Suffolk, VA. Specific duties include: Provide Tier 3 level engineering operations support to quickly identify, triage, and address outages, analyzing symptoms and potential root causes to implement...

Description SAIC is seeking a Agile Systems Engineer to fill a critical position on the LANDMARK AOS program in Chantilly, VA. LANDMARK AOS is SAIC's large Prime Systems Engineering and Technical Assistance (SETA) contract, supporting the customer's Ground Enterprise Directorate (GED), responsible for the acquisition of systems over the complete end-to-end life cycle. In this role, you will provide enterprise-level systems engineering expertise across cloud-based software development activities, ensuring architectures, requirements, schedules, and technical decisions align with mission needs. You will help shape system capabilities, identify risks and opportunities, and guide engineering rigor across a diverse portfolio of Significant Ground Capabilities (SGCs). Note: Only candidates with a current Top Secret/SCI with Poly will be considered. Key Responsibilities to include: Develop and deliver authoritative systems engineering products, including integration plans,...

Description SAIC is seeking a TS/SCI (with Poly) cleared Quantum Sensing Engineer responsible for providing high quality advisory services and program planning, implementation, and integration for Quantum Sensing and Networking efforts for Space Applications. As part of the team, you will be required to collaborate with others, as well as work individually, on strategies, roadmaps and recommended solutions for the implementation of Quantum Sensing and Networking Modalities. These modalities include atomic clocks, atom interferometers, quantum magnetometers, Rydberg sensors, and single photon detectors, among others. In this role, the Quantum Sensing Engineer will work with the customer to develop a quantum portfolio and will be a key performer of its implementation. Will work with the Customer to enhance and broaden the current efforts, as well as identifying new modalities of interest. Understanding how to deploy components of a Quantum System into the Space Environment is a...